Abstract
ABSTRACT The time-dependent response of a ductile fiber-reinforced cementitious composite referred to as Engineered Cementitious Composites (ECC) has been investigated. A series of compressive creep and shrinkage experiments has been conducted on ECC specimens as well as unreinforced specimens (i.e. no fibers). Two different ECC mix designs were investigated along with two corresponding unreinforced mix designs. Experimental results include information about shrinkage, basic creep, drying creep, and creep recovery of the ECC material. It was found that ECC developed greater creep strains than an identical cementitious mix without fibers. Two possible causes for the difference observed in creep response were surface cracking and permeability. Surface cracking was measured and taken into account for an additional assessment of the creep response of the materials. A small set of permeability tests on ECC and unreinforced specimens were also conducted.
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